system administration Jobs in washington

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Systems Administrator II

Robert Half

Washington, District of Columbia, USA

Contract

Description We are looking for an experienced Systems Administrator II to join our team in Washington, District of Columbia. In this long-term contract position, you will play a key role in maintaining and optimizing system infrastructures, ensuring they meet organizational needs and industry standards. This is an excellent opportunity for someone who thrives in a collaborative environment and enjoys solving technical challenges with innovative solutions. Key Responsibilities: Administer and ma

Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Access Control (AC), Active Directory (AD), System Administration, User Account Management Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity a

DevOps Engineer

Leidos

Bethesda, Maryland, USA

Full-time

Leidos has an exciting opening for you, our next TS/SCI cleared DevOps Software Engineer working with a dynamic team to design, develop and deploy a state-of-the-art technology stack supporting the DIA-NMEC( National Media Exploitation Center) DOMEX Technology Platform (DTP). Under this 10-year contract containing multiple Task Orders, we support the DOMEX Data Discovery Platform (D3P) Modernization program. You will have impact as part of a mission focused, solutions oriented, and adaptive team

Cyber Defense Analyst - Senior

Electronic Consulting Services, Inc (ECS Federal)

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Cyber Defense Analyst - Senior to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. ECS Federal is a rapidly growing information security and information technology company in Washington, DC. We are looking to hire a Senior Cyber Defense Analyst to support a full range of cyber security services on a long-term contract in Washington DC. The position is full time/permanent and will support a US Government civi

Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Access Control (AC), Active Directory (AD), System Administration, User Account Management Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as

Cyber Defense Incident Responder - Mid

Electronic Consulting Services, Inc (ECS Federal)

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Cyber Defense Incident Response - Mid to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. Job Requirements: Strong written and verbal communication skills. Knowledge of cyber attackers (e.g., script kiddies, insider threat, non-nation state sponsored, and nation sponsored). Knowledge of system administration, network, and operating system hardening techniques. Knowledge of cyber attack stages (e.g., reconnai

Linux Systems Administrator

Booz Allen Hamilton

Bethesda, Maryland, USA

Full-time

Job Number: R0218704 Linux Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Federal Government? We're looking for a Cross Domain Spe cia list to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure b

IT Systems Administrator / Systems Analysis

Modern Technology Solutions

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking multiple skill levels of IT Systems Admins. An active TS/SCI security clearance with a polygraph is required. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them

Linux Systems Administrator

Booz Allen Hamilton

Bethesda, Maryland, USA

Full-time

Job Number: R0218615 Linux Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Federal Government? We're looking for a Cross Domain Spe cia list to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure

Windows Server Administrator

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0210990 Windows Server Administrator The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to make an impact in Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into te chn ical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System

Systems Administrator - TS/SCI w/Polygraph (3rd Shift)

General Dynamics

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Computer Systems, Troubleshooting, Video Processing Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology has an immediate opening for a Syste

System Engineer - Department of Defense

Esri

Vienna, Virginia, USA

Full-time

Overview In this position, you will implement advanced ArcGIS deployments, analyze and solve technical problems, and optimize performance and organization. You will consult with end users on advanced enterprise deployment, architecture, and integration topics. This team supports the Department of Defense and Intelligence Community clients. You will be part of a talented cross-functional team of dynamic and passionate engineers to deliver capabilities that enable our customers to make a differe

Senior Linux Administrator

General Dynamics

Falls Church, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Operating Systems Security, Red Hat Ansible, Red Hat Enterprise Linux (RHEL), Security Technical Implementation Guides (STIGs) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provide system administration support

System Administrator

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: 2506155 Location: FORT MEADE, MD, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence

Platform Engineer

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: 2506165 Location: FORT MEADE, MD, US Date Posted: 2025-05-29 Category: Information Technology Subcategory: Platform Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence Comm

Software Virtualization Engineer (Top Secret/SCI)

ALTA IT Services

Springfield, Virginia, USA

Full-time

Software Virtualization Engineer Active Top Secret/SCI Required 100% ONSITE in Springfield, VA Direct Permanent Full time Opportunity We have an immediate opportunity for a Software Virtualization Engineer on a 10 year contract providing User Facing and Data Center Services supporting an Intelligence Community customer. All the personnel on the team will work together to support innovative design, engineering, procurement, implementation, operations, sustainment and disposal of user facing an

AV Security Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Job Description We are seeking a highly organized and detail-oriented A/V Security Engineer who is responsible for the operation, configuration, and maintenance of advanced video systems used in secured environments. This role ensures high-quality video signal integrity, optimal display performance, and the reliability of video infrastructure across conferencing, streaming, and surveillance systems. The ideal candidate is technically adept, detail-oriented, and experienced in leading AV operati

Database Administrator

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: Location: FORT MEADE, MD, US Date Posted: 2025-07-02 Category: Information Technology Subcategory: Database Admin Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities fo

Principal Systems Administrator

ManTech

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access withi

Systems Administrator Senior - TS/SCI required

General Dynamics

Fort Meade, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computing, IT Hardware, System Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opportunity as a Syste